Apparatus for red blood cell separation

Details Apparatus for red blood cell separation Apparatus for red blood cell separation

1996-02-05

1998-06-16

Ludlow, Jan

Chemical apparatus and process disinfecting, deodorizing, preser

Control element responsive to a sensed operating condition

422 56, 422 77, 436526, 436527, 436531, 436535, 436827, G01N 128, B01L 1100

Patent

active

057665524

ABSTRACT:
Red blood cells are removed from whole blood or a fraction thereof by agglutinating whole blood with a mixture of a free agglutinating agent and nucleating particles having agglutinating agent intimately associated therewith to form clusters of red blood cells. High molecular weight polyethylene glycol may be added further to enhance agglutination. The clusters of red blood cells are much larger than the size of individual red blood cells, so that the clusters can easily be filtered through a porous medium. The plasma, which is substantially free of red blood cells, is further passed through a filter that optionally contains an additional agglutinating agent. Flow-delay additives may be provided to retain the fluid sample in contact with a reagent for a predetermined time.

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